Rust-removing compound



Patent New, i923.

J'QHN J. VARN BUHLER, OF DETROIT, MICHIGAN.

RUST-REMOVING COMPOUND.

He Drawing.

To all whom it may conce'm:

Be it known that I, JOHN J. VARN 'BUHLER, a citizen of the United States, residing at Detroit, county of Wayne, State of 5 Michigan, have invented a certain new and useful improvement in Rust-Removing Compounds, of which the following is a, specification.

My invention relates to a metal cleaning to compound intended particularly for use in cleaning surfaces of metal parts which are subsequently to be painted or enameled. ln e compenion e plicetion filed December 28, 1921, Serial 0. 525,i72, I have described 35 and claimed broadly a metal cleaning compound composed essentially of a rust preventing liquid, an acid such as hydrochloric which will not unite with the rust-prevent-- ing liquid, and alcohol. The present inven- 2e tion relates to a more specific form of the compound therein described, the present compound being intended particularly for use as a second treatment for metallic parts which have been treated with the compound .25 containing linseed oil, such as is described in my hereinbeiore mentioned application, or

with some other rust removing compound,

or for use Where the articles are not deeply rusted or heavily coated with foreign sub 3% stances "add, if desired for the Application filed December 28, 1921. Serial no. 525,473.

The compound embodying my present invention comprises in its preferred form equal parts of hydrochloric acid and lycerine combined with two parts of alco 01. in practice, I employ wood alcohol and apportion the ingredients by volume. I, also particular purpose for Whichthe compound is to be used, ten percent of distilled Water. Thus in practice, I use 32 ounces of hydrochloric acid, 32 ounces of glycerine and 64 ounces of wood alcohol. To these ingredients when throughly mixed, 1 add e tenth of a, gallon of di tilled Water if a thinner or Weaker compound is preferred.

What I claim is:

1. The metal cleaning compound containing glycerine, hydrochloric acid, and alcohol.

Q. The metal cleaning compound compris ing about 3% ounces of glycerine, 3% ounces of hydrochloric acid and 64: ounces of slcohol and one-tenth of e.- gellon of distilled Waiter.

3, 'lhe metal cleaning co ipound contain ring one pert each of glycerine and hydrochloric acid. and two parts of alcohol.

In testimony Winn?earl IL affix my signeture.

Ql' Ll-dllsl ll. VAllih BUHLER. 

